CN103329593B - For reporting method and the wireless device of the information of the signal intensity about neighbor cell - Google Patents
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00835—Determination of neighbour cell lists
Abstract
Wireless mobile apparatus/stand (MS) sends the measurement report of neighbor cell to serving BS conveyer (BTS).When MS is in the first community, MS receives the informational message transmitted by BTS at signaling period.MS is arranged to then switch and receives first information message and the second informational message subsequently afterwards.When receiving two informational messages, MS content based on informational message current, that receive is reported to base station transmission measurement.Fail to receive/detect the second informational message in response to MS, MS based on (a) (one or more) current/first information message with the undetected second information message type identical informational message previous with (b) be to the report of BTS transmission measurement.BTS initiates another switching based on the information in Second Type measurement report.
Description
Technical field
This invention relates generally to wireless communication system and particularly relate to measurement and the report of adjacent cell signal strength in a wireless communication system.
Background technology
In dedicated mode and group transmission mode, slow associated control channel (slow associated control channel, SACCH) signal is at Signaling Layer (signalling
Layer) at least for measurement result for transmitting from movement station in.SACCH is configured uniquely thus lasting transmission occurs in both direction, at least on the channel carrying main signaling link (signalling link).For this purpose, in an uplink transmission, when do not have other (higher priority data) need to be sent time, movement station (i.e. wireless device) on each possible opportunity to base station transceiver (base
Transceiver station, BTS) (i.e. network direction) transmission measurement message.Similarly, when not having other (higher priority data) to need to be sent, system information is via unnumbered information (unnumbered
Information, UI) frame is sent to movement station (MS) from BTS.
Occurring the problem in the reception of SACCH frame to be interpreted the loss of communication, device and suitable program are then triggered, as at 3GPP
(i.e. according to the SACCH program set up) being explained in detail in TS 45.008.Some in these communication issues occur during switching (handoff) process.Occasionally, the movement station on the first base station is switched to the second base station, and movement station detects faint signal from described second base station.Therefore, MS had to wait for broadcast before sending about the report of neighbor list, and this report is used for producing another switching.If latent period is oversize, before receiving expense (overhead) broadcast, MS (phone) calls " dead ".The dropped call problem caused by the delay relevant with the reception of broadcast information messages is not operatively solved for the classical pathway of these problems.
Summary of the invention
Specifying according to the first aspect of the invention, in mobile wireless device, for the method reporting the information of the signal intensity about neighbor cell within wireless communications environment, described method includes:
Then occur on mobile wireless device switch to the communication of the second community from the first community after, base station in the second community or eNB receive current first kind informational message；And
Received from base station or eNB in response to current first kind informational message, generate and report to base station or eNB transmission measurement；
Wherein, when the time generated at measurement report is not received by current Second Type informational message, the Second Type informational message of previous receipt is utilized to generate measurement report, without waiting for the reception to current Second Type informational message from base station or eNB.
Specifying according to the second aspect of the invention, a kind of wireless device includes:
Processor；
Memory devices, it is coupled to processor and has the entity performing to provide following function on a processor thereon:
Then occur on mobile wireless device switch to the communication of the second community from the first community after, base station in the second community or eNB receive current first kind informational message；And
Received from base station or eNB in response to current first kind informational message, generate and report to base station or eNB transmission measurement；
Wherein, when the time generated at measurement report is not received by current Second Type informational message, the Second Type informational message of previous receipt is utilized to generate measurement report, without waiting for the reception to current Second Type informational message from base station or eNB.
Accompanying drawing explanation
When reading in conjunction with the accompanying when, the following detailed description of being explained with reference to property embodiment will be best understood embodiment described here and its advantage, wherein:
Fig. 1 illustrates wireless communication system according to an embodiment, and it includes that the block diagram of wireless device and base station transceiver (BTS) represents；
Fig. 2 provides according to an embodiment and represents for the block diagram of the communication architecture of communication between movement station (MS) and base station transceiver (BTS)；
According to one or more embodiments, Fig. 3 illustrates that the block diagram of example wireless communication device represents, the aspect of described embodiment can be implemented in described Wireless Telecom Equipment；
Fig. 4 A illustrates mobile before second/neighbor cell according to an embodiment, the movement station/subscriber within the first community；
Fig. 4 B illustrates after moving to second/neighbor cell from the first community according to an embodiment, the movement station/subscriber within the second community；
Fig. 5 is the form of the description of the radio link control parameters being provided for measurement report according to an embodiment；With
Fig. 6 is the flow chart illustrating effectively to report the process of the signal strength measurement of neighbor cell according to an embodiment.
Detailed description of the invention
Illustrative embodiment provides method, system and the wireless device of the signal intensity report for effectively sending neighbor cell to base station from wireless device.When wireless device is in the first community, neighbor cell report (NCR) entity of wireless device receives the informational message transmitted to wireless device by base station conveyer (BTS) at pre-configured signaling period.According to the content of current, received informational message, first kind measurement report is transferred to base station by wireless device.Based on measurement report, basis handing-over (Base Handover) entity at BTS initiates the wireless device switching to the second community.Wireless device is successfully received first information message and is arranged to similarly receive the second follow-up informational message.Fail in the second community (in time) to receive/to detect the second informational message in response to wireless device, based on the informational message identical with undetected second information message type that (a) (one or more) are current or first information message is previous with (b), NCR entity transmits Second Type measurement report from wireless device.According to (with the based on) information in Second Type measurement report, basis handing-over entity initiates another switching, in order to avoid dropped call and/or the degraded service at wireless device.
In the detailed description of one exemplary embodiment of the invention below, specific one exemplary embodiment is described in sufficient detail, in these specific one exemplary embodiment, the present invention can be carried out, so that those skilled in the art can implement the present invention, and should be understood that other embodiments can be utilized and logic, architecture, sequencing, machinery, electric and other changes can be made, without departing from the spirit or scope of the present invention.Therefore, detailed description below is not to be taken with restrictive meaning, and the scope of the present invention is the most defined by the appended claims.
In the description of figure, similar element is provided of the title similar to those elements in previously (one or more) figure and reference number.Figure later in different contexts or different functional in the case of utilize element in place of, element is provided of representing the different leading numbers (such as, the 1xx for Fig. 1 and the 2xx for Fig. 2) of figure number.There is provided and be assigned to the optional network specific digit of element and be only used to the most helpful rather than in order to imply any limitation of the present invention (structure or function).
Being understood by, the use of particular elements, equipment and/or parameter name is intended merely to example rather than in order to imply any limitation of the present invention.Such that it is able to utilize different nomenclature/terminologys to describe parts/devices/parameter herein to realize the present invention without limitation.The context that given term is utilized, each term utilized herein will be given its broadest interpretation.
With reference now to Fig. 1, illustrate wireless communication system (wireless
Communication system, WCS).In one embodiment, WCS 100 is the system that Long Term Evolution (Long Term Evolution, LTE) configures.In another embodiment, WCS
100 represent the second filial generation (Second Generation, 2G) global system for mobile communications (Global System
For Mobile Communications, GSM) system.In the embodiments described, wireless communication system 100 can support multiple standard/network, the such as third generation (3G) and forth generation (4G) network, and it includes Long Term Evolution (LTE) standard.
Wireless communication system 100 includes multiple (" L ") Wireless Telecom Equipment, such as, the first and second wireless devices, movement station (MS)/user's set (UE) 102 and MS/UE 104.One or more in Wireless Telecom Equipment can be associated with mobile subscriber/subscriber.Thus, in some cases, Wireless Telecom Equipment can be referred to as subscriber equipment, user's set (UE), mobile subscriber equipment, movement station (MS), subscriber or user interchangeably herein, as the association to (one or more) device-to-device user referring generally to.But these are with reference to the suitability being not intended to limit the present invention equipment to not being directly associated with individuality/human user.In the description that follows, exemplary wireless device is referred to primarily as MS/UE 102 or MS 102 simply.
Wireless communication system 100 includes that the universal terrestrial radio of at least one base station transceiver (BTS)/evolution accesses (Evolved
Universal Terrestrial Radio Access) network node B(eNodeB/eNB) 106, it is illustrated together with its various functional parts in block diagram represents.In one embodiment, BTS/eNB 106 can represent base station sub-system (BSS), enhancing/the node B(eNB of evolution), or base station.BTS/eNB 106 includes (base station) controller (Cntl) 108.Controller 108 includes memorizer 114, digital signal processor (DSP)/processor 110 and RF transceiver 112.Although the logic of RF transceiver 112 is illustrated in controller 108, it should be recognized that be with regard to other realize for, RF transceiver 112 likely can be positioned in the outside of controller 108.Equally, although illustrated as single module/equipment, DSP/ processor 110 can be the one or more separate parts intercoupling and controlling the difference in functionality in Cntl 108 communicatedly.Additionally, BSS
106 can be shown as two distinct parts, base station transceiver and base station controller in other realize.In these realize, BSC can be shared by several BTS.Wireless Telecom Equipment is all is all connected to BTS/eNodeB 106 via the aerial array including one or more antenna element, and wherein BTS antenna 116 is described.Wireless communication system 100 illustrates with the 2nd BTS/BSS 150 further.
In addition to the hardware component of the BSS/eNodeB 106 within wireless communication system 100 described above, the various features of the present invention can be via being stored in memorizer 114(or other storage devices) in and software (or firmware) code or the logic that are performed by DSP/ processor 110 complete/support.Thus, such as, illustrated by memorizer 114 is multiple software/firmware/logical block/modules, and including operating system (OS) 140, it includes transmission control protocol (Transmission
Control Protocol, TCP)/Internet protocol (IP) module 142 and media interviews control (Media Access
Control, MAC) protocol module 144.Memorizer 114 also includes scheduler 124, precoder 126, informational message 125, measurement report 127, and neighbor list 128.It addition, memorizer 114 includes basis handing-over logic/entity 120.In actual realization, basis handing-over logic 120 can with in miscellaneous part/module one or more combined with provide single can execution unit, when the entity of corresponding combination is performed by the processing component of BTS/eNodeB 106, this is single can jointly provide the various functions of each separate part by execution unit.In the description that follows, basis handing-over entity 120 is illustrated and described into software/firmware parts that are independent or that separate, and it provides specific function, as described below.
During radio communication, MU/UE 102 and MS/UE 104 wirelessly communicates with BTS/BSS 106 via aerial array.MS/UE
102 via measurement report 127 to BTS/BSS
106(i.e. Serving cell) signal strength information for neighbor cell is provided, this signal strength information is by the reception power definition of corresponding BTS.MS/UE 102 receives one or more informational message to provide these measurement reports in response to from BTS 106, and this message instruction MS/UE 102 is about the type of the information asked and reports which neighbor cell.BTS
106 to MS/UE 102(via BCCH (BCCH)) transmit about the general information of network, Serving cell and adjacent cell.As presented herein, measurement report 127 can be the one in Class1 measurement report (only using currently received/current SI5 and SI6 information to generate) or type 2 measurement report (using current SI5 information and the SI6 information of previous receipt to generate), and two types is referred to as measurement report 127 interchangeably.
With reference now to Fig. 2, depict and represent for the block diagram of the communication architecture of communication between user's set (MS) and base station sub-system (BSS).As described, communication architecture 100 includes MS/UE 102 and BSS/BTS 106.MS/UE 102 includes provided for radio resources management (protocol stack) (RR) A 255, mobile management (MM) A 224 and connection management (CM) A 223.MS/UE
102 also include measurement report 127 and NCR entity 220.ENodeB 106 be in in the communication of MS/UE 102.Included by eNodeB 106: neighbor cell report (NCR) logic/entity 120, resource management (protocol stack) (RR) B 235, mobile management (MM) B 234 and connection management (CM) B 233.BTS 106 also includes (one or more) informational message 125.(one or more) informational message 125 provides the value of multiple control parameter, which illustrates what NCC_Permitted(NCC_ allowed) parameter 240 and BA_IND parameter 242.It addition, communication system/architecture 100 includes network 260 and server 280.
It will be recognized by those of ordinary skill in the art that, Fig. 1 and hardware component depicted in figure 2 and basic configuration can change.Illustrative components within wireless communication system/architecture 100, MS/UE 102 and BSS/eNodeB 106 is not intended to exhaustive, but representational is used for realizing the basic element of character of the present invention with prominent.Such as, other equipment/parts can be in addition to the hardware described or replace it to be used.That the example described is not intended to the architecture about at present described embodiment and/or general invention or other restriction.
In 2G GSM, dedicated transmissions pattern or group transmission mode can be used for BTS/BSS
106 transmit the message being associated with report (community) performance measurement.BTS 106 uses the slow associated control channel (SACCH) in Signaling Layer to come to MS/UE
102 send message, the type that instruction MS/UE 102 measures about the estate performance (i.e. signal intensity) performed.SACCH is configured uniquely thus lasting transmission occurs in both direction, at least on the channel carrying main signaling link.For this purpose, in an uplink transmission, when not having other (higher priority data) to need to be sent, movement station (i.e. wireless device) was measured to BTS (i.e. network direction) strength of transmitted signals on each possible opportunity.Similarly, when not having other (higher priority data) to need to be sent, system information (such as, system information type 5,6 and alternatively 5bis and 5ter message) is sent to MS/UE 102 via unnumbered information (UI) frame from BTS 106.
In one embodiment, basis handing-over (HO) entity 120 performed on BTS/BSS 106 transmits measurement information message on SACCH, the measurement report strengthened to indicate MS/UE 102 to use.In multi-slot (multi-slot) configures, system information type 5,6 and alternatively 5bis, 5ter and measurement information message are sent on the SACCH being associated with the channel carrying main signaling link.Thus, in multi-slot configures, movement station ignores all message in (one or more) SACCH upper reception unconnected with the channel carrying main signaling link.
There is extension measurement capability and on SACCH, receive extension measuring command (extended
Measurement order, EMO) movement station 102 of message performs and Report extension is measured.If the neighbor cell in SI5 and SI5bis message describes (Neighbour Cell
Description) EXT in information element (IE)
IND position shows that each information element only carries the part of BA, then system information type 5bis message is sent to MS/UE 102.
In wireless communication system (WCS) 100 (and/or especially within MS/UE 102), neighbor cell report (NCR) entity 120 configures wireless device with the content according to one or more informational messages, provides the first kind measurement report of measurement result in the report cycle pre-seted.NCR entity 220(or usually MS/UE 102) use neighbor list provide report, described neighbor list include following in one or more: (a) BCCH distributes (BA) list；(b) 3G neighbor cell list；(c) corresponding to strengthening the neighbor cell list of measurement report message.BCCH distribution list or BA list are the lists of the most supported frequency (bcch carrier).BTS
106 at BCCH (BCCH, Broadcast
Control Channel) on SI2 message send BA list.But BA list is also sent with SI5 message on SACCH.BA list is " neighbor list ", it include can from community some point " being seen "/detect neighbours.NCR entity 220 reports neighbours to BSC, wherein can set up synchronization with described neighbours, and in the cell at MS/UE
/ strong signal can be detected clearly from described neighbours in the position of 102.
One or more examples of informational message can provide BSIC information.This is used for, according to the program pre-build, building relevant neighbor list.GSM neighbor cell list can contain up to 96 neighbor cells.Identification of base stations code (BSIC) is used to distinguish between community thus frequency can be reused.Especially, BSIC is used for identifying the community using characteristic frequency in BA list.
Fig. 3 illustrates the basic function parts of example wireless communication device (or MS) in wireless communication system according to an embodiment.In one embodiment, Wireless Telecom Equipment is mobile honeycomb equipment/phone (such as, MS/UE
102).MS/UE 102 includes memorizer 314, digital signal processor (DSP)/processor 310 and WiFi, honeycomb fashion transceiver (or RF transceiver) 312.MS/UE 102 is connected to BTS/eNodeB 106 via as the antenna illustrated by antenna 316.It addition, MS/UE 102 includes for the speaker 350 mutual with the user class of equipment, mike and keypad 360.
Except the hardware component of MS/UE 102 described above, the various features of the present invention can be via being stored in memorizer 314(or other storage devices) in and software (or firmware) code or the logic that are performed by DSP/ processor 310 complete/support.Thus, such as, illustrating multiple software/firmware/logical block/module within memorizer 314, including Mobile operating system (OS) 340, it includes that transmission control protocol (TCP)/Internet protocol (IP) module 342 and media interviews control (MAC) protocol module 344.Memorizer 314 also includes informational message 125, measurement report 127, and neighbor list 128.It addition, memorizer 314 includes that (NCR) logic/entity 220 is reported in neighbor cell.
In actual realization, NCR logic 220 can with in miscellaneous part/module one or more combined with provide single can execution unit, when the entity of corresponding combination is by MS/UE
When the processing component of 102 performs, this is single can jointly provide the various functions of each separate part by execution unit.In description herein, NCR entity 220 is illustrated and described as software/firmware parts that are independent or that separate, and it provides specific function, as described below.In the embodiments described, some function performed by parts within NCR entity 220 provides by MS/UE 102.The functional additional detail being associated with NCR entity 220 is presented below with reference to Fig. 4 and other figures.
Some function supported by NCR entity/logic 220 and/or provide is to realize via the process logic (or code) performed by wireless device processes device and/or other device hardwares.That provided by NCR entity 220 and have among the software code/instruction/logic of described embodiment: (a) for receiving the logic of one or more informational messages at the signaling period of configuration at wireless device；B (), for the content according to one or more informational messages, transmits the logic of first kind measurement report from wireless device；C () is for according to one or more measurement reports, the logic of the request that response switches to the second community for wireless device；D () is for being successfully received the logic of first information message within the second community；E () fails to receive the logic of the second informational message for detecting wireless device；(f) for current or first information message and (ii) identical with undetected second information message type previous message message based on (i) (one or more), Second Type measurement report is transmitted from wireless device；(g) for according to the information in Second Type measurement report, response is for the logic of another request of switching, and this switches to wireless device to be avoided dropped call.According to illustrative embodiment, when processor 310 or wireless device processes device perform NCR entity 220, MS/UE 102 initiates a series of functional processes, and it enables above functional character, and additional features/functionality.Within the description of following description of Fig. 1-3 (continue and) Fig. 4-6, these features/functionality are described in further detail.
In the embodiments described, handing-over (HO) entity 120 in basis uses measurement report to determine whether to initiate the switching of MS/UE the 102 to the second community.NCR entity 220 makes MS/UE 102 can fail, in response to MS/UE102, one or more measurement reports providing second/alternative type of receiving in intended informational message.Then after the switching of MS/UE the 102 to the second community, MS/UE
102 initially may fail the clearly signal from BTS 106 to be detected.But, Special Handle of Drop Question is avoided in NCR entity 220 transmission based on the Second Type measurement report from MS/UE 102.Especially, if it is expected that system information not the most in time (within the interval i.e. pre-seted after the most corresponding signaling period pre-seted) by MS/UE
102 receive, and MS/UE 102/NCR entity 220 transmits Second Type measurement report.Second Type measurement report includes the informational message of previous receipt type, itself and MS/UE
102 information message type failing to receive are identical.NCR entity 220 make MS/UE 102 can according to suitable (SACCH) program, along with measurement report provide (reconstruction/amendment/update) neighbor list.As utilized here, term " Second Type measurement report " refers to include from the measurement report of the information of (before being switched to current area) transmitted information message when MS/UE 102 is in previous community.Therefore, term " Second Type measurement report " is served only for the measurement report of this measurement report with another kind of referred to herein as " first kind measurement report " to be distinguished herein." first kind measurement report " uses since the information of informational message received within current area, and does not include from working as MS/UE
The information of 102 informational messages transmitted when being in previous community.Although, these measurement reports use identical structure/form, and it is indistinguishable from the angle (perspective) of BS/eNodeB, these are reported in its mode being generated is different, it is that a report (i.e. first kind measurement report) only uses current area system information to create/generate measurement report, and another (Second Type) report uses current area system information and previous cells system information to compile/create measurement report.More specifically, first kind measurement report can be described herein as the measurement report using following item to be created: (a) current SI5 message and (b) (one or more) are from the current SI6 message of current area rather than (one or more) SI6 message of (community from previous) precedent transmission.Similarly, Second Type measurement report can be described herein as the measurement report using following item to be created: (a) current SI5 message and (b) (one or more) previous SI6 message, rather than the SI6 message of (one or more) current transmission, because the SI6 message (still) of current transmission is not received by MS/UE 102.
Fig. 4 A illustrated before moving to second/neighbor cell the movement station/subscriber within the first community according to an embodiment.Subzone network 400 includes community-1(the first community) 402, (the second community) 404, community-2 and community-3 406.Illustrated by community-1 402 is MS 102 and BTS 106.Within BTS 150 is positioned at community-2 404.
In subzone network 400, within MS 102 is currently located at the first community 402 (i.e. first service community) and close to adjacent/second community 404.Basis handing-over entity 120/BTS 106 transmits one or more informational message 125 at the signaling period of configuration to MS/UE 102.Then, after being properly received of informational message 125, NCR entity 220/MS 102, according to the content of informational message 125, transmits first kind measurement report 127 to base station.Basis handing-over entity 120/BTS
106 according to the measurement report received, it is determined whether initiates MS/UE 102 and arrives the switching of one of neighbor cell (such as, community-1 402).Such as, if measurement report shows MS/UE
102 detect that ratio first service community or signal that arbitrarily other neighbor cells are higher from neighbor cell, basis handing-over entity 120 can initiate the switching of neighbor cell according to (one or more) measurement report.
Fig. 4 B illustrates after moving to second/neighbor cell from the first community the movement station/subscriber at the second community according to an embodiment.Subzone network 410 includes community-1(the first community) 402, community-2(the second community) 404 and community-3 406.Within BTS 106 is positioned at community-1 402.Illustrated by within community-2 404 is MS/UE 102 and BTS 150.
In subzone network 410, when MS/UE 102 is moved into the second i.e. current service cell of community 404(from first service community) time, basis handing-over entity 120 initiates the switching of MS/UE 102.Basis handing-over entity 120/BTS 106 transmits one or more informational message at the signaling period of configuration to MS/UE 102.NCR entity 220 is detected and is properly received first kind informational message by MS/UE 102 within current service cell.But, NCR entity 220 recognizes MS/UE 102 and fails to receive the second informational message (such as, via the NCC_Permitted of SI6 message).NCR entity 220 fails to receive the second informational message, from MS/UE in response to the interval that MS/UE 102 pre-sets after the most corresponding signaling period pre-seted
102 transmission Second Type measurement report rather than first kind measurement reports.
In gsm, when channel condition is edge (marginal), when for potential handing-over to network-reporting neighbours, each second is all important.When being handed off to new community, MS/UE 102, before sending effective neighbours' performance report to network, collects one or both of SI5 and SI6 message on SACCH.Each SACCH message takes about 480ms and receives, and BTS/BSS 106 is circulated by (system) informational message collection (transmission).The minimal set of the informational message being transmitted includes a SI5 message and a Sys6 message.However it is possible to have include the additional message of SI5bis and/or SI5ter.In boundary condition, the one or more solution code errors that are likely to be due in these informational messages are missed by MU/UE 102.But, replace waiting until that (one or more) informational message is only received as, MS/UE 102 sends Second Type measurement report 127, it uses (a) current information message (such as, SI5) and also has (b) from the neighbor list of the identical informational message (such as SI6) of the previously received information message type currently failing with MS/UE 102 to receive and/or to control parameter.NCR entity 220 provides the configuration pre-seted of Second Type measurement report based on instruction MS/UE 102, it is to avoid delay is from the transmission of neighbours' measurement report of MS 102.
Fig. 5 is the form of the radio link control parameters list providing the signal strength measurement being used to report neighbor cell by wireless device according to an embodiment.Form 500 includes first (parameter) row 502, the second row 504 and the third line 506.The first row 502 defines identification of base stations code (BSIC) parameter, and for this identification of base stations code parameter, 6 place values can be distributed in the range of 0 to 63.BSIC parameter respectively in up-link and downlink Synchronization Channel by MS/UE
102 and BTS/BSS 106 transmit.BSIC parameter includes 3 Network Color Code (NCC) parts and 3 BCC (BCC) parts.
At the signaling period of configuration, basis handing-over entity 120 transmits one or more informational messages to wireless device.Especially, basis handing-over entity 120 transmit following in one or more: (a) system information message types 5(SI5)；(b) system information message types 6(SI6)；(c) other system informational message.These SI message include that report/radio (link) controls parameter, by basis handing-over entity 120, it is used to indicate that the MS/UE 102 type about measurement report is in order to provide and/or to report which community.Such as, handing-over entity 120 in basis provides NCC_Permitted parameter (i.e. first controls parameter) within SI6 message.
NCC_Permitted parameter is also in SI2, and this SI2 is broadcasted on BCCH.As described by the third line 506, NCC_Permitted parameter is 8 bitmaps (bit map), and this parameter identification country's colour coding (NCC), for this country's colour coding, MS/UE 102 is allowed to report measurement results.Bitmap relates to the NCC part of BSIC.The fact that be not likely to be the parameter of highly dynamic or frequent change based on NCC_Permitted parameter from community to community (within the identical band of position), MS/UE 102 can for one or more measurement cycles (when signaling is good) and/or until from new SI6 message sink to update NCC_Permitted parameter the first neighbor cell is reported.If (a) the first neighbor cell is initially allowed to via NCC_Permitted parameter, wherein this NCC_Permitted parameter is received via previous Serving cell, and MS/UE
102 with the first neighboring cell synchronization (Serving cell via previous), (b) the first neighbor cell is allowed to the most for another example as indicated by the NCC_Permitted parameter updated, wherein the NCC_Permitted parameter of this renewal is received via SI6 message from previous Serving cell after being switched to current service cell, this Report mode it may happen that.Need to synchronize (i.e. " synchronization (syncing) ") MS/UE 102 via previous Serving cell, because synchronization (Serving cell via current) may spend three (3) to five (5) seconds (the longest delay) to the new community received in new BA list.
Second parameter is BAND_INDICATOR(or BA_IND) and be described in the second row 504.Due to absolute RF channel number (the absolute radio from 512 to 8xx
Frequency channel numbers, ARFCN) it is used for PCS1900 frequency band and DCS1800 frequency band, this second parameter (i.e. BAND_INDICATOR) is used for specifying relevant frequency band.Originally high frequency band is got (850(U.S. pairing with PCS1900) from low-frequency band, and DCS1800 coordinates the pairing of 900(Europe)), but when GSM is moved into other countries, these pairings are the most correct and position is assigned to clarify the unclear part of implication.Being similar to NCC_PERMITTED independent variable, BAND_INDICATOR frequently not dynamically varies from community to community.
When NCR entity 220 or MS/UE 102 provides measurement report, MS 102 also provides for corresponding neighbor list, and it is rebuilt from one or more informational messages received by BTS 106.When receiving parameter information in more than one informational message, NCR entity 220 or MS/UE 102 combination carrys out the information of the relevant BA (list) of message that receives on comfortable same channel and identical/common value of showing BCCH assigned sequence number (BA_IND).Thus, MS/UE 102 rebuilds BA(list according to the program set up being used for rebuilding adjacent (community) list).
Fig. 6 is the flow chart that the method/process is described according to an embodiment, and by the method/process, MS/UE 102 reports the signal strength measurement of neighbor cell effectively.Although the parts that the method being illustrated in Figure 6 is referred to show in figs. 1-5 are described, it should be appreciated that this most for convenience and can use its interchangeable parts and/or configuration when realizing the method.The key component of the method can perform within MS/UE 102 by NCR entity 220, control MS/UE 102/on specific operation complete.The method is arbitrary from NCR entity 220 and MS/UE 102/and both angle is described.
When according to one or more measurement reports, basis handing-over entity 120 by utilize from the switching command of BSS/eNodeB have been completed MS/UE 102 from the first community to the switching of the second community time, report that the process of the measurement result of neighbor cell starts from trigger frame 602.At decision box 604, NCR entity 220 determines when within the second community, and whether wireless device receives first information message (such as SI5 message).If NCR entity 220 determines that wireless device (still) does not receives first information message, NCR entity 220 performs the latent period pre-seted, as shown in frame 608.Then, after frame 608, process returns to decision box 604.But, if NCR entity 220 determines that wireless device has been received by first information message at frame 604, process proceeds decision box 606, and at this decision box, NCR entity 220 determines when within the second community, and whether wireless device receives the second informational message (such as SI6 message).
If at decision box 606, NCR entity 220 determines that wireless device has been received by the second informational message (such as SI6 message), NCR entity 220 resolves the second informational message for the BA list being associated received in the second informational message and NCC_Permitted parameter, and NCC entity 220 sends first kind measurement report to BSS/eNodeB 106, as shown in frame 612.In the embodiment provided, first kind measurement report is based on from the SI5 message of the most current received (SI6) message and NCC_Permitted parameter and/or the BA list being associated.If at decision box 606, NCR entity 220 determines that wireless device (still) does not receives (and/or failing to receive) second informational message, and NCR entity 220 sends Second Type measurement report to BSS/ENodeB 106.Second Type measurement report is based on from the SI5 message of previous SI6 message (owing to current SI6 message is not yet received) and NCC_Permitted parameter, as shown in frame 610.In various embodiments, the copy of the informational message (SI5 and SI6) being the most finally completely received is maintained in the local storage of MS/UE 102 with if it is required, make MS/UE 102 that these data can be used for handover operation in the future.Because two kinds of new information is all by MS/UE
102 receive, and the informational message of these storages is updated.
In one embodiment, in the time cycle that NCR entity 220 only pre-sets after the reception of then first information message, (within the signaling period pre-seted) waits the reception of the second informational message.Equally, in one embodiment, previous (receiving i.e. recently) SI6 message can be the SI6 message received from the first community before MS/UE 102 is switched to the second community.In one embodiment, NCR entity 220 and/or MS/UE 102 creates Second Type measurement report by using corresponding to the one or more SI5 message in following and BA list: (a) SI2 message；(b) SI2bis message；(c) another system information.
Returning to flow chart, at frame 614, NCR entity 220 determines whether to receive the second switching command according to the content of the Second Type measurement report being provided to eNodeB.In one embodiment, Second Type measurement report is the report that MS/UE 102 generated and be transferred to immediately BSS/eNodeB 106, and wherein the reception of the second informational message is not postponed to transmit from BSS/eNodeB by MS/UE 102 in order to wait.If at decision box 614, NCR entity 220 determines and does not receives the second switching command, and process returns to frame 606.If at frame 614, NCR entity 220 determines and have received the second switching command, NCR entity 220 is enabled from the switching of the second community (to the 3rd community or return to the first community) by initiation program to avoid experiencing dropped call and/or the best service, respond the request that (second) for MS/UE 102 switches, as shown in frame 606.Process terminates at frame 618.
In above flow chart, some process of these methods is combined, simultaneously or performs with different order or may be omitted, without departing from the spirit and scope of the present invention.Thus, although procedure is described and illustrated with special sequence, uses the particular sequence of process to be not intended to any limitation of the invention.Change can be made, without departing from the spirit or scope of the present invention about the sequence of process.Therefore, using special sequence is not to be taken with restrictive meaning, and the scope of the present invention extends to appended claim and its equivalent.
Embodiments described above presents the method performed within mobile wireless device, for reporting the information of the signal intensity performance about neighbor cell within wireless communications environment.The method includes: then occur on mobile wireless device switch to the communication of the second community from the first community after, base station in the second community receives current first kind informational message；And in response to the current first kind informational message received from base station, automatically generate and report to base station transmission measurement.When not simultaneously receiving Second Type informational message with first kind informational message, the Second Type informational message of previous receipt is utilized to generate measurement report, without waiting for the reception to current Second Type informational message from base station.Current first kind informational message is system information type 5(SI5) message and Second Type informational message both Sys6 (SI6) message of current Second Type informational message and previous receipt.
According to described embodiment, the process of automatically generating farther includes: determine that current Second Type informational message current position, base station the most also in the second community is received；In response to simultaneously receiving current Second Type informational message from base station, based on the information from current first kind informational message with the current Second Type information message reception received, generate first kind measurement report；And in response to being not received by current Second Type informational message: based on from the current first kind informational message received of one of the first community and previous community and the Second Type informational message of previous receipt, generate Second Type measurement report.The generation of Second Type measurement report occurred before being properly received current Second Type informational message, and the method farther includes to transmit Second Type measurement report to base station.
As being fully realized for various reasons further, process in an embodiment of the present invention can use the combination in any of software, firmware or hardware to be implemented.Preliminary step as the present invention implemented in software, programming code (no matter software or firmware) will be typically stored in one or more machinable medium, such as fixing (hard disk) driver, disk, CD, tape, semiconductor memory such as ROM, PROM, etc., therefore make manufacture (or computer program) according to the present invention.Should pass through from storage device, directly perform code by the manufacture containing programming code, by Code copying being entered another storage device such as hard disk from storage device, RAM etc., or use for long-range execution by using the communication link of transmission type media such as numeral and simulation to carry out transmission code.Can be by the one or more machine readable storage devices containing code according to the present invention be processed the combined code wherein contained with execution of hardware, the method implementing the present invention with suitable.Can be one or more processing equipment and storage system for implementing assembly of the invention, it contains or has the network insertion to (one or more) program encoded according to the present invention.
Therefore, it is important that be described under the background of the fully functional base station/eNodeB installing (or execution) software having when the illustrative embodiment of the present invention, it will be appreciated by persons skilled in the art that, the software aspects of the illustrative embodiment of the present invention can be distributed as various forms of computer programs and the illustrative embodiment of the present invention is equally applicable to actually perform described distribution regardless of the specific type of the medium used.For example, the nonexcludability list of media type, including recordable type (tangible) medium such as floppy disk, thumb actuator, hard disk drive, CD
ROM, DVD, and the communication link with simulation of transmission type media such as numeral.
Although the present invention has been described with reference to one exemplary embodiment, it will be understood by those skilled in the art that various change can be made, and for its element, equivalent can be replaced, be made without departing from the scope of the present invention.The amendment that present invention teach that can be made system, equipment or its parts special with adaptation, without departing from its elemental range it addition, a lot.Therefore, it is intended that the present invention is not restricted in the disclosed specific embodiments for performing the present invention, but the present invention will include all embodiments fallen within the scope of the appended claims.Additionally, term first, second, etc. use do not indicate that any order or importance, but term first, second, etc. be used for differentiating an element with another.
Claims (16)
1., in mobile wireless device, for the method reporting the information of the signal intensity about neighbor cell within wireless communications environment, described method includes:
Then occur on mobile wireless device switch to the communication of the second community from the first community after, base station in the second community or eNB receive current first kind informational message；
Determine whether current Second Type informational message is received from base station or eNB；And
Received, from base station or eNB, whether received with current Second Type informational message described in response to current first kind informational message to determine, generate and report to base station or eNB transmission measurement；
Wherein, if it is determined that current Second Type information is received, described measurement report is first kind measurement report, and if it is determined that current Second Type informational message is not received, the most described measurement report is Second Type measurement report, described first kind measurement report is based on the information from current first kind informational message with the current Second Type information message reception received, and Second Type measurement report information based on the Second Type information message reception from current first kind informational message and previous receipt.
2. the process of claim 1 wherein described determine farther include:
From in the case of not receiving current Second Type informational message to the reception of current first kind information signal follow the tracks of elapsed time；
Determine that elapsed time exceedes the signaling period pre-seted；With
Exceed the described of signaling period pre-seted based on elapsed time and determine that current Second Type informational message is not received.
3. the method for claim 1, farther includes:
(BA) list is distributed via current first kind information message reception the first neighbor list or BCCH (BCCH)；With
With the report cycle pre-seted, forward the measurement report of the signal strength measurement for neighbor cell to base station or eNB, it is identified by current first kind informational message and the Second Type informational message of previous receipt or currently received Second Type informational message.
4. the method for claim 3, wherein includes receiving the first neighbor list via the described reception of current first kind information, and described method farther includes:
In response to determining that current Second Type informational message is not received, utilize the information and the first neighbor list retrieved from the Second Type informational message of previous receipt, automatically generate the second neighbor list；Or
In response to receiving current Second Type informational message, utilize another neighbor list received in current Second Type informational message and the first neighbor list, automatically generate the second neighbor list.
5. the process of claim 1 wherein:
Described Second Type measurement report is provided so that the interval pre-seted fails to receive the second current informational message in response to after the signaling period that described wireless device is the most corresponding；And
Pre-set is spaced in receiving or expiring relative to during the threshold value latent period of the reception of current first information message expired of current first information message.
6. the process of claim 1 wherein that the first kind and Second Type informational message include measurement information message；System information；Or extension measurement information message.
7. the method for claim 1, farther includes:
First kind informational message and Second Type informational message is received via slow associated control channel (SACCH)；
The BCCH (BCCH) from current first kind informational message is used to distribute (BA) list or current neighbor list and one or more parameters of the Second Type informational message from previous receipt, generating Second Type measurement report, wherein said one or more parameters include Network Color Code (NCC) NCC_Permitted parameter or BA serial number (BA_IND) parameter；With
Second Type measurement report is transmitted via slow associated control channel (SACCH).
8. the process of claim 1 wherein that current first kind informational message is Second Type informational message both Sys6(SI6 of Sys5 (SI5) message and current Second Type informational message and previous receipt) message.
9. a wireless device, including:
Processor；
Memory devices, it is coupled to processor and has instruction, and described instruction makes described wireless device when being performed on a processor:
Then occur on mobile wireless device switch to the communication of the second community from the first community after, base station in the second community or eNB receive current first kind informational message；
Determine whether current Second Type informational message is received；And
Received, from base station or eNB, whether received with current Second Type informational message described in response to current first kind informational message to determine, generate and report to base station or eNB transmission measurement；
Wherein, if it is determined that current Second Type information is received, described measurement report is first kind measurement report, and if it is determined that current Second Type informational message is not received, the most described measurement report is Second Type measurement report, described first kind measurement report is based on the information from current first kind informational message with the current Second Type information message reception received, and Second Type measurement report information based on the Second Type information message reception from current first kind informational message and previous receipt.
10. the wireless device of claim 9, wherein instructs and makes described wireless device the most further:
Elapsed time is followed the tracks of: wireless mobile apparatus enters into the second community from one below；The reception of current first kind information signal；The previous reception of previous Second Type information signal；And
Exceed the maximum time pre-build in response to elapsed time, it is contemplated that the communication just carried out receives current Second Type information signal before being lost by wireless mobile apparatus during this time, trigger generation and the transmission of Second Type measurement report；
Wherein elapsed time exceedes the maximum time pre-build and shows that wireless device fails to decode the data received, and these data received contain current Second Type informational message.
The wireless device of 11. claim 10, wherein instructs and makes described wireless device the most further:
(BA) list is distributed via current first kind information message reception the first neighbor list or BCCH (BCCH)；With
With the report cycle pre-seted, forward the measurement report of the signal strength measurement for neighbor cell to base station or eNB, it is identified by current first kind informational message and the Second Type informational message of previous receipt or currently received Second Type informational message.
The wireless device of 12. claim 11, wherein instructs and makes described wireless device the most further:
In response to detecting that current Second Type informational message is not received, utilize the information and the first neighbor list retrieved from the Second Type informational message of previous receipt, automatically generate the second neighbor list；With
In response to receiving current Second Type informational message, utilize another neighbor list received in current Second Type informational message and the first neighbor list, automatically generate the second neighbor list.
The wireless device of 13. claim 9, wherein:
Described Second Type measurement report is provided so that the interval pre-seted fails to receive the second current informational message in response to after the signaling period that described wireless device is the most corresponding；And
Pre-set is spaced in receiving or expiring relative to during the threshold value latent period of the reception of current first information message expired of current first information message.
The wireless device of 14. claim 9, wherein the first kind and Second Type informational message include measurement information message；System information；Or extension measurement information message.
The wireless device of 15. claim 9, wherein instructs and makes described wireless device the most further:
First kind informational message and Second Type informational message is received via slow associated control channel (SACCH)；
The BCCH (BCCH) from current first kind informational message is used to distribute (BA) list or current neighbor list, one or more parameters with the Second Type informational message from previous receipt, generating Second Type measurement report, wherein said one or more parameters include Network Color Code (NCC) NCC_Permitted parameter or BA serial number (BA_IND) parameter of the Second Type informational message from previous receipt；And
Second Type measurement report is transmitted via slow associated control channel (SACCH).
The wireless device of 16. claim 9, the most current first kind informational message is Second Type informational message both Sys6(SI6 of Sys5 (SI5) message and current Second Type informational message and previous receipt) message.
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| US9621294B2 (en) | 2014-10-02 | 2017-04-11 | At&T Intellectual Property I, L.P. | Enhancement of inter-cell interference coordination with adaptive reduced-power almost blank subframes based on neighbor cell profile data |
| US9843474B2 (en) * | 2015-12-23 | 2017-12-12 | Intel Corporation | Telemetry adaptation |
| CN109792643B (en) | 2016-09-30 | 2022-04-15 | 瑞典爱立信有限公司 | Method and apparatus for measurement-based mobility |
| US11477671B2 (en) | 2016-09-30 | 2022-10-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and arrangements for radio link measurement configuration |
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| CN103329593A (en) | 2013-09-25 |
| US8582530B2 (en) | 2013-11-12 |
| WO2012092076A1 (en) | 2012-07-05 |
| EP2659705A1 (en) | 2013-11-06 |
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Effective date of registration: 20190806 Address after: No. 18, Wu Sha seashore road, Changan Town, Dongguan, Guangdong Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: American California Patentee before: Intel Corporation |